Automatic oil burner regulator



y 1931. B. c. MOXLEY 1,806,080

AUTOMATIC OIL BURNER REGULATOR Filed Oct. 3, 1928 2 Sheets-Sheet 1 Sr Bfiflkfoxley May 1931- B. c. MOXLEY AUTOMATIC OIL BURNER REGULATOR Filed odt. 5, 1928 2 Sheets-Sheet 2 auto-wags mmxze' Patented May 19, 1931 BERRY o. MoxLr-xor HOQUIA'LL? WASHINGTON AUTOMATIC OIL BURNER REGULATOR Applicationfiled' October 3,- 1928; Serial ire. 309.932.

This invention relatesto an automatic oil burnerregulatorand it consists in the novel flames of degrees oftemperature may be produced at the burner.

The means for controlling the mixture isoperated by hand.

With these objects in' View, the: structure includes in combination with a. burner'i'capable'of burning a mixture of oil and: steam,

controlling the quantity of oil supplied to the burner and a valve for controlling the quantity of steam supplied to the burner. The valves are both mounted. uponia rod which in turn is mounted for sliding movement and a spring is provided for urging therod in one direction. Means-are provided for limiting the movement of the rod in either of two directions. Acylin'der receives the end of the rod and a piston isslidably mounted in the cylinder and: bears against theen'd of the rod. Meains'are provided for admit-ting steam pressure into the cylinder at the side of the piston so-that the piston 4 may be moved in the cylinder whereby the rod ismoved and the valves are correspondingly moved with relation to their seats so that the volumes of the oil and the steam are supplied to the ct to produce a spot or small flame or a large flame.

In the accompanying drawings:

Figure 1 is a vertical longitudinal sectionalv view of the automatic o1l burner regulator showingthe structure andthe arrangement of the parts thereof.

a regulating device comprising: a valve for Figure 2 is an under plan view of the Y regulator.-

Figure?) is a -tr'ansverse'section as seen on the lines 3-3 of Figure 1,, looking in the direction of the arrows, and V Figure 4 is a similar view as seen on the lines 4-4of- Figure'lr As illustrated in the" drawings, the burner consists of framesections- 1 securedtogetherby means-xof'bolts 2. A oil'chamber' 3 is mounted upon. one of the=framesections and a'steam' chamber 41- is mounted-upon the next adjacent frame section: The "chamber'3- is provided atits topside with a tube 5 forming. an oilinlet passageway and the chamber 4 is provided at its-top side with a steamzinlet tube 6 forming; a passa-gewa y'. The; tube 5 is provided at itsuppeirporti'on'withianim teriorly located p'artitioniwall 7 having an opening 8 therein and the: side: wall of the tube 5 is provided with anropening disposed" opposite the openingS and spaced therefrom.

A valve 10 is adapted to close against-the openingiS and the'said' valve ismounted upon a stem 11 which passes.througlithatside of h the tube 5 oppositeth'e' side thereof having the opening 9. A suitable packing gland 1 2 is provided for preventing leakage at the point where the valve stem passes through the side of the tube. An oil supply pipe (not shown) is adapted to be connected with the upper end of the tube 5-. The oil chamber 3 is provided at its forward side with a nipple 13 and a inixi ng'jet 14 is screwedi into the said nipple and? is housed therein.

Thetube 6 is provided at its lower portion with an interi'orly located partition wall. 15 having an opening 16;- The sidewall of the tube is provided with anopening 17. which is located opposite the opening 16. A'valve 18 0 is adapted to close against the opening 16 and may be inserted into the tube through the opening 17 in the'side wal'ls thereof. "The valve 18 is carried by a stem 19 which passes through the side wall ofthe tube 6 and which is connected at its end with a cross head 20'. The stem 11 is also connected to said cross head. A packing land 21 is provided at the point where the "tem 19'passes through the sidewall of the tubef6 to prevent leakage.

The outer ends of the stems 11 and 19 are threaded and the said threaded ends are screwed into the cross head and are secured by means of jam nuts 22 screwed upon the said stems and adapted to bear against the faces of the cross head.

The tube 6 is provided with an interiorly located sleeve 23 which is located at the upper edge of the partition wall and disposed diametrically across the said tube. A rod 24 is slidably received in the sleeve23 and one end of the said rod passes through the. cross head and is adjustably secured thereto by means of clamp nuts 25 screwed upon the rod and which bear against the opposite faces of the cross head. Nuts 26 and 27 are screwed upon the intermediate portion of the rod 24'and are located one at each'side of the tube 6. The said nuts 26 and 27 are .spaeed from each other forv adisposition so that when one of the said nuts is in contact with the side of the tube, the other tube is spaced therefrom and vice versa. A nut 28 is screwed upon the rod 24 at a point spaced from the nut 27 and a washer 29 bears against the inner face of the nut 28. A coil spring 30 is interposed between the side of the tube 6 and the washer 29 and servesto hold the washer spaced from the side of the tube.

The outer end of the rod 24 is slidably received in the inner end of a cylinder 31 and a packing gland 32 is provided at the point where the rod passes through the end of the cylinder to prevent leakage. The cylinder is carried by a frame 33 which is attached by means of bolts 34 to lateral arms formed on the chamber 4, as clearly shown in Figure 2 of the drawings. The cylinder 31 is provided at its end with a steam inlet port 35 and at its side with a steam inlet port 36.

Steam pipes (not shown) may be connected with the ports 35 and 36 and also with the tube 6.

A piston 37 is slidably mounted in the cylinder and bears at one end against that end of the rod 27 which passes through the end of the cylinder. The piston is located betweenthe steam ports 35 and 36 so that when steam is admitted into the cylmder through the port 35, the piston is moved in one direction and when steam is admitted into the cylinder through the port 36, thepiston is moved in theopposite direction in the cylinder.

Atubular stem 38 passes through the opposite side walls of the chamber 4 and through one of the side walls of the chamber 3. A hand'wheel 39 is mounted at the outer end of the stem 38 which is closed. The stem 38 is provided at its opposite end with a head 40 adapted to move toward and away from the jet 14 and which enters the inner portion of the said jet. The intermediate portion'of the stem 38 is threaded as at 41 in the chamber 4, so that when the stem is turned, it also moves longitudinally across the chambers. Suit-able packing glands 42 are provided at the points where the stem passes through the side walls of the chambers in order to prevent leakage at said points. The stem 38 is provided at points located within the chamber 4 with openings 43 which communicate with the interior of the said tubular stem and also with the interior of the chamber 4. The stem is open at that end which is adjacent the jet 14.

- The automatic operation of the regulator is as follows. Assuming that the oil supply tube 5 is connected with an oil pipe and the tube 6, and the ports 35 and 36 are connected with sourcesof steam supply. The oil and the steam from the tubes enter the chambers 3 and 4. The steam passes through the openings 43 and through the tubular stem 38 and mixes the oil at the inner end of the jet 14. By shifting the stem with relation to the jet, the space between the head 40 and the inner end of the jet is increased or diminished whereby the proportion of the oil which is mixed with the steam is regulated. This mixture is ejected at the end of the nipple 13 where it is ignited and a flame of desired intensity of heat is produced.

The steam pressure which enters the cylinder 31 through the opening 35 moves the piston 37 in the cylinder toward the tube 6 and consequently, the spring 30 is compressed and the nut 27 is brought in contact with the side of the tube 6. The movement oft-he rod 24 carries the cross head 20rso that the valves 10 and l8are moved toward the openings 8 and 16 but are spaced therefrom so that small quantities of the oil and the steam may pass through the said openings and consequently, as the pressure of the steam increases, the said valves are moved closer to the openings and as the pressure of the steam decreases, the valves move away from the openings under the tension of the spring 30 and consequently, the quantities of the oil and the steam are supplied tothe jet to produce a spot or small flame or a large flame.

The tube 6 and the opening 35 maybe connected with the steam source of steam supply and the steam in the said source may be generated by the flame which is produced at the jet of the burner. Thus, as the steam pressure is increased by the character of the flame, t is valves of the regulator are moved to reduce the supply of oil and steam to the burn-' er and as the pressure of the steam in the source of supply reduces the supply of the oil and the steam to the jet of the burner is increased in volume. The opening 36 may be connected with another source of steam supply and when it is desired to manually move the piston in the cylinder, the steam is permitted to enter the cylinder through the opening 36 and consequently, the valves 10 and 18 may be moved so as to permit maximum quantities of the oil and the steam to pass through the openings 8 and 16. By adjusting the tubular stem 38 as hereinbefore described, the relative proportions of the steam and the oil constituting the mixture may be regulated.

From the foregoing description of the construction of my improved apparatus, it will be seen that I have provided a simple, inexpensive and eflicient means for carrying out the objects of my invention and while I have particularly described the elements best adapted to perform the functions set forth, it is obvious that various changes in form, pro portion and in the minor details of construction may be resorted to without departing from the spirit or sacrificing any of the principles of the invention.

Having thus described the invention, what is claimed is:

l. A fuel regulator for oil burners com prising an oil chamber, a mixing jetleading therefrom, a steam chamber, an inlet neck extending from each chamber and having a partition therein formed with a passage, valves for closing the passages in said partitions having stems projecting from the inlet necks transversely thereof and extending in opposite directions in overlapped and spaced relation to eachother, a hollow stem extending through said steam chamber and entering said oil chamber and terminating in an open end adapted to enter the inner end of said jet when the stem is moved towards the jet and regulate flow of oil into the jet, steam inlet openings being formed in the stem within the steam chamber, and actuating means for said valves adj ustably connected with the stems of the valves.

2. A fuel regulator for oil burners com prising an oil chamber, a mixing jet leading therefrom, a steam chamber, an inlet neck extending from each chamber and having a partition therein formed with a passage, valves for closing the passages in said partitions having stems projecting from the inlet necks transversely thereof and extending in opposite directions in overlapped and spaced relation to each other, a hollow stem extending through said steam chamber and entering said oil chamber and terminating in an open end adapted to enter the inner end of said jet when the stem is moved towards the jet and regulate flow of oil into the jet, steam inlet openings being formed in the stem within the steam chamber, a cross head connecting said valve stems, a cylinder having a steam inlet at one end, a piston in sa1d cylinder, a rod extending from said piston through the other end of the cylinder and secured to said cross head, means to yieldably resist movement of the rod in a direction to close the valves, and means to limit movement of the rod.

3. A fuel regulator for oil burners comprising an oil chamber, a mixing jet leading therefrom, a steam chamber at the opposite side of said oil chamber from the mixing et,

a hollow stem extending through the steam chamber and projecting into the oil chamber towards the mixing jet, said stem delivering steam from the steam chamber into the jet and being adapted to control How of oil from the oil chamber into the mixing et when adjusted towards and away from the jet, inlet necks leading from said chambers and provided with partitions having portions extending longitudinally of the necks and formed with openings, valves in said necks for closing the openings having stems ex-- tending transversely in'the necks and projecting from facing sides of the necks, a cross head having the valve stems secured thereto, a control rod secured to said cross head, and means to shift said rod longitudinally to adjust the valves.

4:. A fuel regulator foroil burners comprising an oil chamber, a mixing jet leading therefrom, a steam chamber at the opposite side of said oil chamber from the mixing jet, a hollow stem extending throughthe steam chamber and projecting into the oil chamber towards the mixing jet, said stem delivering steam from the steam chamber into the jet and being adapted to control flow of oil from the oil chamber into the mixing jet when adjusted towards and away from the jet, inlet necks leading from said chambers and provided with partitions having portions ex tending longitudinally of the necks and formed with openings, valves in said necks for closing the openings having stems extending transversely in the necks and projecting from facing sides of the necks, across head having'the valve stems secured thereto, a frame extending from the neck of said steam chamber, a cylinder carried by said frame and having steam inlets near its ends, apiston in said cylinder and a rod extending fromsaid piston and secured to said cross head to adjust the valves when the piston is moved and means to yieldabiy resist movement of the rod in one direction.

In testimony whereof I affix my signature.

BERRY C. MOXLEY. 

